ATPase


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ATPase

[‚ā‚tē′pē‚ās]
(biochemistry)
An enzyme that hydrolyzes adenosine triphosphate into adenosine diphosphate and phosphate.
References in periodicals archive ?
Ca2+- ATPase of muscle decreased gradually, corresponding to the gradual protein denaturation.
[Ca.sup.2+]-ATPase, [Na.sup.+]/[K.sup.+]-ATPase, and [H.sup.+]/[K.sup.+]-ATPase are included in the PII subfamily of P-type ATPases [23].
For stabilization of the closed form, formation of the [beta]-sheet structure between Leu156-Gly158 (Leu154-Gly156 for M[F.sub.1]) and Ile306-Val308 (Ile310-Val312) is indispensable, because a secondary-structure breaking mutation, Y307P, shut down the open/closed conformational change and ATPase activity of [F.sub.1] (Table 1).
The results of ATPase activity showed that B(a)P exposure had no significant effect on the ATPase activity between the gender (treatment x gender: p > 0.05).
Adamson, "Glycolytic control of vacuolar-type ATPase activity: a mechanism to regulate influenza viral infection," Virology, vol.
As shown in Table 1, endurance training resulted in a pronounced reduction of retroperitoneal and epididymal fat mass, an increase of CS activity in RG and WG, S and L, a rise of type I fiber proportion in gastrocnemius muscle, measured by ATPase activity (Supplementary Figure S1), and an elevation of glycogen content in L (Table 1).
Identification and partial purification of a (Na-K) ATPase stimulating serine protease from plasma of insulin-dependent diabetics.
In HHD, heterozygous mutation of calcium dependent ATP2C1 gene (chromosome 3q21-24) is seen which results in dysfunction of a Golgi-associated Ca2+ ATPase and interferes with intracellular Ca2+ signaling.2
The effects of epoxywelwitschene (4) on the ATPase activity of ABCB1 showed it to interact with the transporter and to be able to reduce the transport of a second subtrate.
Considering the increase in [Na.sup.+]/[K.sup.+]/ATPase expression during morula to blastocyst transition (17) and the reduction of [Na.sup.+]/[K.sup.+]/ATPase mRNA abundance caused by vitrification (16), this study was aimed to evaluate the effect of addition of Ang II to the In Vitro Maturation (IVM) and In Vitro Culture (IVC) media of vitrified-warmed ovine oocyte on its subsequent developmental competence as well as the expression of [Na.sup.+]/[K.sup.+]/ ATPase in resulting embryo.

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